/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.beam.learning.katas.commontransforms.withkeys

import org.apache.beam.learning.katas.commontransforms.withkeys.Task.applyTransform
import org.apache.beam.sdk.testing.PAssert
import org.apache.beam.sdk.testing.TestPipeline
import org.apache.beam.sdk.transforms.Create
import org.apache.beam.sdk.values.KV
import org.junit.Rule
import org.junit.Test

class TaskTest {
  @get:Rule
  @Transient
  val testPipeline: TestPipeline = TestPipeline.create()

  @Test
  fun `Common Transforms - WithKeys - WithKeys`() {
    val numbers = testPipeline.apply(
      Create.of("apple", "banana", "cherry", "durian", "guava", "melon")
    )
    val results = applyTransform(numbers)

    PAssert.that(results).containsInAnyOrder(
      KV.of("a", "apple"),
      KV.of("b", "banana"),
      KV.of("c", "cherry"),
      KV.of("d", "durian"),
      KV.of("g", "guava"),
      KV.of("m", "melon")
    )

    testPipeline.run().waitUntilFinish()
  }
}